John Alston Riddick, M.D.
Cardiovascular Disease (Cardiology) · Interventional Cardiology (CMS) · Nashville, TN
At a glance
2400 Patterson St, Nashville, TN 37203-1562
Published activity: Coronary angioplasty and stenting. View counts and coverage
NPPES record updated Feb 9, 2022. Public records can lag behind changes at a practice.
Before you call: a quick checklist
- Are you accepting new patients?
- Do you accept my specific insurance plan?
- Do you provide the service I need at this address?
- Do I need a referral, and what is the earliest appointment?
Insurance participation and appointment availability are not established by these public records.
Medicare & insurance
Insurance participation is not established by these public records. Ask the practice and your insurer about your specific plan and this location.
How to check your coverage
Use your plan’s provider directory or the member-services number on your insurance card. Confirm the clinician, practice address, service, and whether a referral is required. A missing opt-out record does not establish Medicare acceptance.
Check the official Medicare directory ↗Practice location
2400 Patterson St Suite 502Nashville, TN 37203-1562
Education & affiliations
- Medical / professional school
- Vanderbilt University School Of Medicine
- Graduation year
- 2001
- CMS specialties
- Cardiovascular Disease (Cardiology) · Interventional Cardiology
Practice groups
Reported hospital affiliations
- Ascension Saint Thomas Hospital Nashville, TN
- Tristar Centennial Medical Center Nashville, TN
- Tristar Hendersonville Medical Center Hendersonville, TN
- Tristar Summit Medical Center Hermitage, TN
- Vanderbilt University Medical Center Nashville, TN
Graduation year does not establish years in practice. A reported affiliation does not establish employment, current admitting privileges, or insurance participation.
Source: CMS National Downloadable File · Published Oct 15, 2026.
Source: CMS Facility Affiliation Data · Published Oct 15, 2026.
Procedures in the public data
Reported activity can help you ask more informed questions about a practice’s services.
| Procedure category | Published Medicare activity |
|---|---|
| Coronary angioplasty and stenting | 1-10 |
CMS uses a one-year claims window with a reporting lag. Counts cover the Medicare activity included by CMS, not all patients. “1–10” is a published range. Volume is not a quality or outcomes score. Coverage and methodology
Source: CMS Utilization Data · Published Oct 15, 2026.
Find providers with a similar service mix
Compare 2024 published Medicare activity in the same reported specialty, here or in another city.
Reported clinician measures
Measures below describe reported clinician performance in the stated period. They do not form an overall HCPList rating, and reporting differs between clinicians.
Published clinical measures
- Documentation of Current Medications in the Medical Record
- 98%2024Published MIPS performance rate. Higher rates indicate better performance for this measure. Measure: MIPS_EC_130_overall. Collection type: EHR. Measure denominator: 1760.
- Preventive Care and Screening: Tobacco Use: Screening and Cessation Intervention
- 67%2024Published MIPS performance rate. Higher rates indicate better performance for this measure. Measure: MIPS_EC_226_performance. Collection type: EHR. Measure denominator: 55.
- Controlling High Blood Pressure
- 60%2024Published MIPS performance rate. Higher rates indicate better performance for this measure. Measure: MIPS_EC_236_overall. Collection type: EHR. Measure denominator: 667.
See all 6 reported measures
- Use of High-Risk Medications in Older Adults
- 0%2024Published MIPS performance rate. Lower rates indicate better performance for this inverse measure. Measure: MIPS_EC_238_overall. Collection type: EHR. Measure denominator: 745.
- Preventive Care and Screening: Screening for High Blood Pressure and Follow-Up Documented
- 24%2024Published MIPS performance rate. Higher rates indicate better performance for this measure. Measure: MIPS_EC_317_overall. Collection type: EHR. Measure denominator: 618.
- Falls: Screening for Future Fall Risk
- 99%2024Published MIPS performance rate. Higher rates indicate better performance for this measure. Measure: MIPS_EC_318_overall. Collection type: EHR. Measure denominator: 712.
Source: PY 2024 Clinician Public Reporting: MIPS Measures and Attestations · Published Sep 10, 2026.
Industry-reported general payments
Includes reported transfers of value, such as meals, travel, or consulting. Payments do not establish improper conduct or quality of care. Research funding and ownership values are excluded from this total.
See payment purposes and reporting companies
Reported purposes
| Purpose | Amount |
|---|---|
| Travel and lodging | $773.45 |
| Food and beverage | $727.10 |
Reporting companies
| Company | Amount |
|---|---|
| MEDTRONIC, INC. | $1,089.80 |
| EDWARDS LIFESCIENCES CORPORATION | $200.44 |
| BOSTON SCIENTIFIC CORPORATION | $81.34 |
| ABBOTT LABORATORIES | $71.42 |
| CARDIAC DIMENSIONS, INC. | $19.81 |
| PFIZER INC. | $19.79 |
| SPECTRAWAVE, INC | $17.95 |
Source: CMS 2025 payments grouped by covered recipient and nature of payments · Published Jun 30, 2026.
Professional details: NPI, taxonomy & registry record
Registry details
- Primary taxonomy
- Cardiovascular Disease (Cardiology) · Interventional Cardiology (CMS)
- Taxonomy code
- 207RI0011X
- Enumeration date
- Dec 21, 2007
- Record updated
- Feb 9, 2022
More registry details
- Provider type
- Individual · Type 1
- Reported credentials
- M.D.
Reported taxonomies and licenses
207RC0000X
License reported: 37285 TN
207RI0011X · Primary
License reported: 37285 TN
License numbers and credentials are reported to NPPES; HCPList does not independently verify them.
Practice location
2400 Patterson StSuite 502
Nashville, TN 37203-1562
- Phone
- (615) 515-1900
- Fax
- (615) 292-4633
Mailing address
2400 PATTERSON STSUITE 502
NASHVILLE, TN 372031562
Information may be outdated or incomplete. Confirm details directly with the practice. HCPList is an independent directory and is not affiliated with CMS.
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